1301 lines
50 KiB
Bash
1301 lines
50 KiB
Bash
# banIP shared function library/include
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# Copyright (c) 2018-2023 Dirk Brenken (dev@brenken.org)
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# This is free software, licensed under the GNU General Public License v3.
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# (s)hellcheck exceptions
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# shellcheck disable=all
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# set initial defaults
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#
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export LC_ALL=C
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export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
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ban_basedir="/tmp"
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ban_backupdir="/tmp/banIP-backup"
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ban_reportdir="/tmp/banIP-report"
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ban_feedfile="/etc/banip/banip.feeds"
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ban_allowlist="/etc/banip/banip.allowlist"
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ban_blocklist="/etc/banip/banip.blocklist"
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ban_mailtemplate="/etc/banip/banip.tpl"
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ban_pidfile="/var/run/banip.pid"
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ban_rtfile="/var/run/banip_runtime.json"
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ban_lock="/var/run/banip.lock"
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ban_fetchcmd=""
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ban_logreadcmd="$(command -v logread)"
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ban_logcmd="$(command -v logger)"
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ban_ubuscmd="$(command -v ubus)"
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ban_nftcmd="$(command -v nft)"
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ban_fw4cmd="$(command -v fw4)"
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ban_awkcmd="$(command -v awk)"
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ban_grepcmd="$(command -v grep)"
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ban_lookupcmd="$(command -v nslookup)"
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ban_mailcmd="$(command -v msmtp)"
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ban_mailsender="no-reply@banIP"
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ban_mailreceiver=""
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ban_mailtopic="banIP notification"
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ban_mailprofile="ban_notify"
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ban_mailnotifcation="0"
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ban_reportelements="1"
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ban_nftloglevel="warn"
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ban_nftpriority="-200"
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ban_nftpolicy="memory"
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ban_nftexpiry=""
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ban_loglimit="100"
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ban_logcount="1"
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ban_logterm=""
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ban_country=""
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ban_asn=""
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ban_loginput="1"
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ban_logforwardwan="1"
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ban_logforwardlan="0"
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ban_allowlistonly="0"
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ban_autoallowlist="1"
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ban_autoblocklist="1"
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ban_deduplicate="1"
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ban_splitsize="0"
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ban_autodetect="1"
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ban_feed=""
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ban_blockinput=""
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ban_blockforwardwan=""
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ban_blockforwardlan=""
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ban_protov4="0"
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ban_protov6="0"
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ban_ifv4=""
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ban_ifv6=""
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ban_dev=""
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ban_sub=""
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ban_fetchinsecure=""
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ban_cores=""
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ban_memory=""
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ban_trigger=""
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ban_triggerdelay="10"
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ban_resolver=""
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ban_enabled="0"
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ban_debug="0"
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# gather system information
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#
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f_system() {
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local cpu core
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[ -z "${ban_dev}" ] && ban_cores="$(uci_get banip global ban_cores)"
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ban_memory="$("${ban_awkcmd}" '/^MemAvailable/{printf "%s",int($2/1000)}' "/proc/meminfo" 2>/dev/null)"
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ban_ver="$(${ban_ubuscmd} -S call rpc-sys packagelist '{ "all": true }' 2>/dev/null | jsonfilter -ql1 -e '@.packages.banip')"
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ban_sysver="$(${ban_ubuscmd} -S call system board 2>/dev/null | jsonfilter -ql1 -e '@.model' -e '@.release.description' |
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"${ban_awkcmd}" 'BEGIN{RS="";FS="\n"}{printf "%s, %s",$1,$2}')"
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if [ -z "${ban_cores}" ]; then
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cpu="$("${ban_grepcmd}" -c '^processor' /proc/cpuinfo 2>/dev/null)"
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core="$("${ban_grepcmd}" -cm1 '^core id' /proc/cpuinfo 2>/dev/null)"
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[ "${cpu}" = "0" ] && cpu="1"
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[ "${core}" = "0" ] && core="1"
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ban_cores="$((cpu * core))"
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fi
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f_log "debug" "f_system ::: system: ${ban_sysver:-"n/a"}, version: ${ban_ver:-"n/a"}, memory: ${ban_memory:-"0"}, cpu_cores: ${ban_cores}"
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}
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# create directories
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#
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f_mkdir() {
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local dir="${1}"
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if [ ! -d "${dir}" ]; then
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rm -f "${dir}"
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mkdir -p "${dir}"
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f_log "debug" "f_mkdir ::: created directory: ${dir}"
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fi
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}
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# create files
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#
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f_mkfile() {
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local file="${1}"
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if [ ! -f "${file}" ]; then
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: >"${file}"
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f_log "debug" "f_mkfile ::: created file: ${file}"
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fi
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}
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# create temporary files and directories
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#
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f_tmp() {
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f_mkdir "${ban_basedir}"
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ban_tmpdir="$(mktemp -p "${ban_basedir}" -d)"
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ban_tmpfile="$(mktemp -p "${ban_tmpdir}" -tu)"
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f_log "debug" "f_tmp ::: base_dir: ${ban_basedir:-"-"}, tmp_dir: ${ban_tmpdir:-"-"}"
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}
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# remove directories
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#
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f_rmdir() {
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local dir="${1}"
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if [ -d "${dir}" ]; then
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rm -rf "${dir}"
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f_log "debug" "f_rmdir ::: deleted directory: ${dir}"
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fi
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}
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# convert chars
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#
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f_char() {
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local char="${1}"
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[ "${char}" = "1" ] && printf "%s" "✔" || printf "%s" "✘"
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}
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# trim strings
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#
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f_trim() {
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local string="${1}"
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string="${string#"${string%%[![:space:]]*}"}"
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string="${string%"${string##*[![:space:]]}"}"
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printf "%s" "${string}"
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}
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# write log messages
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#
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f_log() {
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local class="${1}" log_msg="${2}"
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if [ -n "${log_msg}" ] && { [ "${class}" != "debug" ] || [ "${ban_debug}" = "1" ]; }; then
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if [ -x "${ban_logcmd}" ]; then
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"${ban_logcmd}" -p "${class}" -t "banIP-${ban_ver}[${$}]" "${log_msg}"
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else
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printf "%s %s %s\n" "${class}" "banIP-${ban_ver}[${$}]" "${log_msg}"
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fi
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fi
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if [ "${class}" = "err" ]; then
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"${ban_nftcmd}" delete table inet banIP >/dev/null 2>&1
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if [ "${ban_enabled}" = "1" ]; then
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f_genstatus "error"
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[ "${ban_mailnotification}" = "1" ] && [ -n "${ban_mailreceiver}" ] && [ -x "${ban_mailcmd}" ] && f_mail
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else
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f_genstatus "disabled"
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fi
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f_rmdir "${ban_tmpdir}"
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f_rmpid
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rm -rf "${ban_lock}"
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exit 1
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fi
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}
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# load config
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#
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f_conf() {
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unset ban_dev ban_ifv4 ban_ifv6 ban_feed ban_blockinput ban_blockforwardwan ban_blockforwardlan ban_logterm ban_country ban_asn
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config_cb() {
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option_cb() {
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local option="${1}"
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local value="${2}"
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eval "${option}=\"${value}\""
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}
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list_cb() {
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local option="${1}"
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local value="${2}"
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case "${option}" in
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"ban_dev")
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eval "${option}=\"$(printf "%s" "${ban_dev}")${value} \""
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;;
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"ban_ifv4")
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eval "${option}=\"$(printf "%s" "${ban_ifv4}")${value} \""
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;;
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"ban_ifv6")
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eval "${option}=\"$(printf "%s" "${ban_ifv6}")${value} \""
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;;
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"ban_feed")
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eval "${option}=\"$(printf "%s" "${ban_feed}")${value} \""
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;;
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"ban_blockinput")
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eval "${option}=\"$(printf "%s" "${ban_blockinput}")${value} \""
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;;
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"ban_blockforwardwan")
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eval "${option}=\"$(printf "%s" "${ban_blockforwardwan}")${value} \""
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;;
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"ban_blockforwardlan")
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eval "${option}=\"$(printf "%s" "${ban_blockforwardlan}")${value} \""
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;;
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"ban_logterm")
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eval "${option}=\"$(printf "%s" "${ban_logterm}")${value}\\|\""
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;;
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"ban_country")
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eval "${option}=\"$(printf "%s" "${ban_country}")${value} \""
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;;
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"ban_asn")
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eval "${option}=\"$(printf "%s" "${ban_asn}")${value} \""
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;;
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esac
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}
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}
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config_load banip
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[ "${ban_action}" = "boot" ] && [ -z "${ban_trigger}" ] && sleep ${ban_triggerdelay}
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}
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# prepare fetch utility
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#
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f_fetch() {
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local ut utils packages insecure
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if [ -z "${ban_fetchcmd}" ] || [ ! -x "${ban_fetchcmd}" ]; then
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packages="$(${ban_ubuscmd} -S call rpc-sys packagelist 2>/dev/null)"
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[ -z "${packages}" ] && f_log "err" "local opkg package repository is not available, please set the download utility 'ban_fetchcmd' manually"
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utils="aria2c curl wget uclient-fetch"
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for ut in ${utils}; do
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if { [ "${ut}" = "uclient-fetch" ] && printf "%s" "${packages}" | "${ban_grepcmd}" -q '"libustream-'; } ||
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{ [ "${ut}" = "wget" ] && printf "%s" "${packages}" | "${ban_grepcmd}" -q '"wget-ssl'; } ||
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[ "${ut}" = "curl" ] || [ "${ut}" = "aria2c" ]; then
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ban_fetchcmd="$(command -v "${ut}")"
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if [ -x "${ban_fetchcmd}" ]; then
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uci_set banip global ban_fetchcmd "${ban_fetchcmd##*/}"
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uci_commit "banip"
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break
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fi
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fi
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done
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fi
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[ ! -x "${ban_fetchcmd}" ] && f_log "err" "download utility with SSL support not found"
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case "${ban_fetchcmd##*/}" in
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"aria2c")
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[ "${ban_fetchinsecure}" = "1" ] && insecure="--check-certificate=false"
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ban_fetchparm="${ban_fetchparm:-"${insecure} --timeout=20 --allow-overwrite=true --auto-file-renaming=false --log-level=warn --dir=/ -o"}"
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;;
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"curl")
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[ "${ban_fetchinsecure}" = "1" ] && insecure="--insecure"
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ban_fetchparm="${ban_fetchparm:-"${insecure} --connect-timeout 20 --fail --silent --show-error --location -o"}"
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;;
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"uclient-fetch")
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[ "${ban_fetchinsecure}" = "1" ] && insecure="--no-check-certificate"
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ban_fetchparm="${ban_fetchparm:-"${insecure} --timeout=20 -O"}"
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;;
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"wget")
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[ "${ban_fetchinsecure}" = "1" ] && insecure="--no-check-certificate"
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ban_fetchparm="${ban_fetchparm:-"${insecure} --no-cache --no-cookies --max-redirect=0 --timeout=20 -O"}"
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;;
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esac
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f_log "debug" "f_fetch ::: fetch_cmd: ${ban_fetchcmd:-"-"}, fetch_parm: ${ban_fetchparm:-"-"}"
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}
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# remove logservice
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#
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f_rmpid() {
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local ppid pid pids
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ppid="$(cat "${ban_pidfile}" 2>/dev/null)"
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[ -n "${ppid}" ] && pids="$(pgrep -P "${ppid}" 2>/dev/null)" || return 0
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for pid in ${pids}; do
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kill -INT "${pid}" >/dev/null 2>&1
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done
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: >"${ban_pidfile}"
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}
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# get nft/monitor actuals
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#
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f_actual() {
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local nft monitor
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if "${ban_nftcmd}" -t list set inet banIP allowlistvMAC >/dev/null 2>&1; then
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nft="$(f_char "1")"
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else
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nft="$(f_char "0")"
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fi
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if pgrep -f "logread" -P "$(cat "${ban_pidfile}" 2>/dev/null)" >/dev/null 2>&1; then
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monitor="$(f_char "1")"
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else
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monitor="$(f_char "0")"
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fi
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printf "%s" "nft: ${nft}, monitor: ${monitor}"
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}
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# get wan interfaces
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#
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f_getif() {
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local iface update="0"
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if [ "${ban_autodetect}" = "1" ]; then
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if [ -z "${ban_ifv4}" ]; then
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network_flush_cache
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network_find_wan iface
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if [ -n "${iface}" ] && "${ban_ubuscmd}" -t 10 wait_for network.interface."${iface}" >/dev/null 2>&1; then
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ban_protov4="1"
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ban_ifv4="${iface}"
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uci_set banip global ban_protov4 "1"
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uci_add_list banip global ban_ifv4 "${iface}"
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f_log "info" "added IPv4 interface '${iface}' to config"
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fi
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fi
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if [ -z "${ban_ifv6}" ]; then
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network_flush_cache
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network_find_wan6 iface
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if [ -n "${iface}" ] && "${ban_ubuscmd}" -t 10 wait_for network.interface."${iface}" >/dev/null 2>&1; then
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ban_protov6="1"
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ban_ifv6="${iface}"
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uci_set banip global ban_protov6 "1"
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uci_add_list banip global ban_ifv6 "${iface}"
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f_log "info" "added IPv6 interface '${iface}' to config"
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fi
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fi
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fi
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if [ -n "$(uci -q changes "banip")" ]; then
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update="1"
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uci_commit "banip"
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else
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ban_ifv4="${ban_ifv4%%?}"
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ban_ifv6="${ban_ifv6%%?}"
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for iface in ${ban_ifv4} ${ban_ifv6}; do
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if ! "${ban_ubuscmd}" -t 10 wait_for network.interface."${iface}" >/dev/null 2>&1; then
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f_log "err" "wan interface '${iface}' is not available, please check your configuration"
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fi
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done
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fi
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[ -z "${ban_ifv4}" ] && [ -z "${ban_ifv6}" ] && f_log "err" "wan interfaces not found, please check your configuration"
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f_log "debug" "f_getif ::: auto/update: ${ban_autodetect}/${update}, interfaces (4/6): ${ban_ifv4}/${ban_ifv6}, protocols (4/6): ${ban_protov4}/${ban_protov6}"
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}
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# get wan devices
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#
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f_getdev() {
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local dev iface update="0" cnt="0" cnt_max="30"
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if [ "${ban_autodetect}" = "1" ]; then
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while [ "${cnt}" -lt "${cnt_max}" ] && [ -z "${ban_dev}" ]; do
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network_flush_cache
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for iface in ${ban_ifv4} ${ban_ifv6}; do
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network_get_device dev "${iface}"
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if [ -n "${dev}" ]; then
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if printf "%s" "${dev}" | "${ban_grepcmd}" -qE "pppoe|6in4"; then
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dev="${iface}"
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fi
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if ! printf " %s " "${ban_dev}" | "${ban_grepcmd}" -q " ${dev} "; then
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ban_dev="${ban_dev}${dev} "
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uci_add_list banip global ban_dev "${dev}"
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f_log "info" "added device '${dev}' to config"
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fi
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fi
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done
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cnt="$((cnt + 1))"
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sleep 1
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done
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fi
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if [ -n "$(uci -q changes "banip")" ]; then
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update="1"
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uci_commit "banip"
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fi
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ban_dev="${ban_dev%%?}"
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[ -z "${ban_dev}" ] && f_log "err" "wan devices not found, please check your configuration"
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f_log "debug" "f_getdev ::: auto/update: ${ban_autodetect}/${update}, devices: ${ban_dev}, cnt: ${cnt}"
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}
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# get local subnets
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#
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f_getsub() {
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local sub iface ip update="0"
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if [ "${ban_autoallowlist}" = "1" ]; then
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for iface in ${ban_ifv4} ${ban_ifv6}; do
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network_flush_cache
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network_get_subnet sub "${iface}"
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if [ -n "${sub}" ] && ! printf " %s " "${ban_sub}" | "${ban_grepcmd}" -q " ${sub} "; then
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ban_sub="${ban_sub}${sub} "
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fi
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network_get_subnet6 sub "${iface}"
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if [ -n "${sub}" ] && ! printf " %s " "${ban_sub}" | "${ban_grepcmd}" -q " ${sub} "; then
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ban_sub="${ban_sub}${sub} "
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fi
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done
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for ip in ${ban_sub}; do
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if ! "${ban_grepcmd}" -q "${ip}" "${ban_allowlist}"; then
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update="1"
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printf "%-42s%s\n" "${ip}" "# subnet added on $(date "+%Y-%m-%d %H:%M:%S")" >>"${ban_allowlist}"
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f_log "info" "added subnet '${ip}' to local allowlist"
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fi
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done
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ban_sub="${ban_sub%%?}"
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fi
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f_log "debug" "f_getsub ::: auto/update: ${ban_autoallowlist}/${update}, subnet(s): ${ban_sub:-"-"}"
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}
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# get set elements
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#
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f_getelements() {
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local file="${1}"
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[ -s "${file}" ] && printf "%s" "elements={ $(cat "${file}" 2>/dev/null) };"
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}
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# build initial nft file with base table, chains and rules
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#
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f_nftinit() {
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local feed_log feed_rc file="${1}"
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{
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# nft header (tables and chains)
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#
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printf "%s\n\n" "#!/usr/sbin/nft -f"
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if "${ban_nftcmd}" -t list set inet banIP allowlistvMAC >/dev/null 2>&1; then
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printf "%s\n" "delete table inet banIP"
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fi
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printf "%s\n" "add table inet banIP"
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printf "%s\n" "add chain inet banIP wan-input { type filter hook input priority ${ban_nftpriority}; policy accept; }"
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printf "%s\n" "add chain inet banIP wan-forward { type filter hook forward priority ${ban_nftpriority}; policy accept; }"
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printf "%s\n" "add chain inet banIP lan-forward { type filter hook forward priority ${ban_nftpriority}; policy accept; }"
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# default wan-input rules
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#
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printf "%s\n" "add rule inet banIP wan-input ct state established,related counter accept"
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printf "%s\n" "add rule inet banIP wan-input iifname != { ${ban_dev// /, } } counter accept"
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printf "%s\n" "add rule inet banIP wan-input meta nfproto ipv4 udp sport 67-68 udp dport 67-68 counter accept"
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printf "%s\n" "add rule inet banIP wan-input meta nfproto ipv6 udp sport 547 udp dport 546 counter accept"
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printf "%s\n" "add rule inet banIP wan-input meta nfproto ipv4 icmp type { echo-request } limit rate 1000/second counter accept"
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printf "%s\n" "add rule inet banIP wan-input meta nfproto ipv6 icmpv6 type { echo-request } limit rate 1000/second counter accept"
|
|
printf "%s\n" "add rule inet banIP wan-input meta nfproto ipv6 icmpv6 type { nd-neighbor-advert, nd-neighbor-solicit, nd-router-advert} limit rate 1000/second ip6 hoplimit 1 counter accept"
|
|
printf "%s\n" "add rule inet banIP wan-input meta nfproto ipv6 icmpv6 type { nd-neighbor-advert, nd-neighbor-solicit, nd-router-advert} limit rate 1000/second ip6 hoplimit 255 counter accept"
|
|
|
|
# default wan-forward rules
|
|
#
|
|
printf "%s\n" "add rule inet banIP wan-forward ct state established,related counter accept"
|
|
printf "%s\n" "add rule inet banIP wan-forward iifname != { ${ban_dev// /, } } counter accept"
|
|
|
|
# default lan-forward rules
|
|
#
|
|
printf "%s\n" "add rule inet banIP lan-forward ct state established,related counter accept"
|
|
printf "%s\n" "add rule inet banIP lan-forward oifname != { ${ban_dev// /, } } counter accept"
|
|
} >"${file}"
|
|
|
|
# load initial banIP table within nft (atomic load)
|
|
#
|
|
feed_log="$("${ban_nftcmd}" -f "${file}" 2>&1)"
|
|
feed_rc="${?}"
|
|
|
|
f_log "debug" "f_nftinit ::: devices: ${ban_dev}, priority: ${ban_nftpriority}, policy: ${ban_nftpolicy}, loglevel: ${ban_nftloglevel}, rc: ${feed_rc:-"-"}, log: ${feed_log:-"-"}"
|
|
return ${feed_rc}
|
|
}
|
|
|
|
# handle downloads
|
|
#
|
|
f_down() {
|
|
local log_input log_forwardwan log_forwardlan start_ts end_ts tmp_raw tmp_load tmp_file split_file ruleset_raw handle
|
|
local cnt_set cnt_dl restore_rc feed_direction feed_rc feed_log feed="${1}" proto="${2}" feed_url="${3}" feed_rule="${4}" feed_flag="${5}"
|
|
|
|
start_ts="$(date +%s)"
|
|
feed="${feed}v${proto}"
|
|
tmp_load="${ban_tmpfile}.${feed}.load"
|
|
tmp_raw="${ban_tmpfile}.${feed}.raw"
|
|
tmp_split="${ban_tmpfile}.${feed}.split"
|
|
tmp_file="${ban_tmpfile}.${feed}.file"
|
|
tmp_flush="${ban_tmpfile}.${feed}.flush"
|
|
tmp_nft="${ban_tmpfile}.${feed}.nft"
|
|
|
|
[ "${ban_loginput}" = "1" ] && log_input="log level ${ban_nftloglevel} prefix \"banIP/inp-wan/drp/${feed}: \""
|
|
[ "${ban_logforwardwan}" = "1" ] && log_forwardwan="log level ${ban_nftloglevel} prefix \"banIP/fwd-wan/drp/${feed}: \""
|
|
[ "${ban_logforwardlan}" = "1" ] && log_forwardlan="log level ${ban_nftloglevel} prefix \"banIP/fwd-lan/rej/${feed}: \""
|
|
|
|
# set source block direction
|
|
#
|
|
if printf "%s" "${ban_blockinput}" | "${ban_grepcmd}" -q "${feed%v*}"; then
|
|
feed_direction="input"
|
|
fi
|
|
if printf "%s" "${ban_blockforwardwan}" | "${ban_grepcmd}" -q "${feed%v*}"; then
|
|
feed_direction="${feed_direction} forwardwan"
|
|
fi
|
|
if printf "%s" "${ban_blockforwardlan}" | "${ban_grepcmd}" -q "${feed%v*}"; then
|
|
feed_direction="${feed_direction} forwardlan"
|
|
fi
|
|
|
|
# chain/rule maintenance
|
|
#
|
|
if [ "${ban_action}" = "reload" ] && "${ban_nftcmd}" -t list set inet banIP "${feed}" >/dev/null 2>&1; then
|
|
ruleset_raw="$("${ban_nftcmd}" -tj list ruleset 2>/dev/null)"
|
|
{
|
|
printf "%s\n" "flush set inet banIP ${feed}"
|
|
handle="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"wan-input\"][@.expr[0].match.right=\"@${feed}\"].handle")"
|
|
[ -n "${handle}" ] && printf "%s\n" "delete rule inet banIP wan-input handle ${handle}"
|
|
handle="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"wan-forward\"][@.expr[0].match.right=\"@${feed}\"].handle")"
|
|
[ -n "${handle}" ] && printf "%s\n" "delete rule inet banIP wan-forward handle ${handle}"
|
|
handle="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"lan-forward\"][@.expr[0].match.right=\"@${feed}\"].handle")"
|
|
[ -n "${handle}" ] && printf "%s\n" "delete rule inet banIP lan-forward handle ${handle}"
|
|
} >"${tmp_flush}"
|
|
fi
|
|
|
|
# restore local backups during init
|
|
#
|
|
if { [ "${ban_action}" != "reload" ] || [ "${feed_url}" = "local" ]; } && [ "${feed%v*}" != "allowlist" ] && [ "${feed%v*}" != "blocklist" ]; then
|
|
f_restore "${feed}" "${feed_url}" "${tmp_load}"
|
|
restore_rc="${?}"
|
|
feed_rc="${restore_rc}"
|
|
fi
|
|
|
|
# handle local lists
|
|
#
|
|
if [ "${feed%v*}" = "allowlist" ]; then
|
|
{
|
|
printf "%s\n\n" "#!/usr/sbin/nft -f"
|
|
[ -s "${tmp_flush}" ] && cat "${tmp_flush}"
|
|
if [ "${proto}" = "MAC" ]; then
|
|
"${ban_awkcmd}" '/^([0-9A-f]{2}:){5}[0-9A-f]{2}([[:space:]]|$)/{printf "%s, ",tolower($1)}' "${ban_allowlist}" >"${tmp_file}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ether_addr; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}") }"
|
|
[ -z "${feed_direction##*forwardlan*}" ] && printf "%s\n" "add rule inet banIP lan-forward ether saddr @${feed} counter accept"
|
|
elif [ "${proto}" = "4" ]; then
|
|
"${ban_awkcmd}" '/^(([0-9]{1,3}\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]|$)/{printf "%s, ",$1}' "${ban_allowlist}" >"${tmp_file}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ipv4_addr; flags interval; auto-merge; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}") }"
|
|
if [ -z "${feed_direction##*input*}" ]; then
|
|
if [ "${ban_allowlistonly}" = "1" ]; then
|
|
printf "%s\n" "add rule inet banIP wan-input ip saddr != @${feed} ${log_input} counter drop"
|
|
else
|
|
printf "%s\n" "add rule inet banIP wan-input ip saddr @${feed} counter accept"
|
|
fi
|
|
fi
|
|
if [ -z "${feed_direction##*forwardwan*}" ]; then
|
|
if [ "${ban_allowlistonly}" = "1" ]; then
|
|
printf "%s\n" "add rule inet banIP wan-forward ip saddr != @${feed} ${log_forwardwan} counter drop"
|
|
else
|
|
printf "%s\n" "add rule inet banIP wan-forward ip saddr @${feed} counter accept"
|
|
fi
|
|
fi
|
|
if [ -z "${feed_direction##*forwardlan*}" ]; then
|
|
if [ "${ban_allowlistonly}" = "1" ]; then
|
|
printf "%s\n" "add rule inet banIP lan-forward ip daddr != @${feed} ${log_forwardlan} counter reject with icmp type admin-prohibited"
|
|
else
|
|
printf "%s\n" "add rule inet banIP lan-forward ip daddr @${feed} counter accept"
|
|
fi
|
|
fi
|
|
elif [ "${proto}" = "6" ]; then
|
|
"${ban_awkcmd}" '!/^([0-9A-f]{2}:){5}[0-9A-f]{2}([[:space:]]|$)/{printf "%s\n",$1}' "${ban_allowlist}" |
|
|
"${ban_awkcmd}" '/^(([0-9A-f]{0,4}:){1,7}[0-9A-f]{0,4}:?(\/(1?[0-2][0-8]|[0-9][0-9]))?)([[:space:]]|$)/{printf "%s, ",tolower($1)}' >"${tmp_file}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ipv6_addr; flags interval; auto-merge; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}") }"
|
|
if [ -z "${feed_direction##*input*}" ]; then
|
|
if [ "${ban_allowlistonly}" = "1" ]; then
|
|
printf "%s\n" "add rule inet banIP wan-input ip6 saddr != @${feed} ${log_input} counter drop"
|
|
else
|
|
printf "%s\n" "add rule inet banIP wan-input ip6 saddr @${feed} counter accept"
|
|
fi
|
|
fi
|
|
if [ -z "${feed_direction##*forwardwan*}" ]; then
|
|
if [ "${ban_allowlistonly}" = "1" ]; then
|
|
printf "%s\n" "add rule inet banIP wan-forward ip6 saddr != @${feed} ${log_forwardwan} counter drop"
|
|
else
|
|
printf "%s\n" "add rule inet banIP wan-forward ip6 saddr @${feed} counter accept"
|
|
fi
|
|
fi
|
|
if [ -z "${feed_direction##*forwardlan*}" ]; then
|
|
if [ "${ban_allowlistonly}" = "1" ]; then
|
|
printf "%s\n" "add rule inet banIP lan-forward ip6 daddr != @${feed} ${log_forwardlan} counter reject with icmpv6 type admin-prohibited"
|
|
else
|
|
printf "%s\n" "add rule inet banIP lan-forward ip6 daddr @${feed} counter accept"
|
|
fi
|
|
fi
|
|
fi
|
|
} >"${tmp_nft}"
|
|
feed_rc="${?}"
|
|
elif [ "${feed%v*}" = "blocklist" ]; then
|
|
{
|
|
printf "%s\n\n" "#!/usr/sbin/nft -f"
|
|
[ -s "${tmp_flush}" ] && cat "${tmp_flush}"
|
|
if [ "${proto}" = "MAC" ]; then
|
|
"${ban_awkcmd}" '/^([0-9A-f]{2}:){5}[0-9A-f]{2}([[:space:]]|$)/{printf "%s, ",tolower($1)}' "${ban_blocklist}" >"${tmp_file}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ether_addr; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}") }"
|
|
[ -z "${feed_direction##*forwardlan*}" ] && printf "%s\n" "add rule inet banIP lan-forward ether saddr @${feed} ${log_forwardlan} counter reject"
|
|
elif [ "${proto}" = "4" ]; then
|
|
if [ "${ban_deduplicate}" = "1" ]; then
|
|
"${ban_awkcmd}" '/^(([0-9]{1,3}\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]|$)/{printf "%s,\n",$1}' "${ban_blocklist}" >"${tmp_raw}"
|
|
"${ban_awkcmd}" 'NR==FNR{member[$0];next}!($0 in member)' "${ban_tmpfile}.deduplicate" "${tmp_raw}" 2>/dev/null >"${tmp_split}"
|
|
"${ban_awkcmd}" 'BEGIN{FS="[ ,]"}NR==FNR{member[$1];next}!($1 in member)' "${ban_tmpfile}.deduplicate" "${ban_blocklist}" 2>/dev/null >"${tmp_raw}"
|
|
cat "${tmp_raw}" 2>/dev/null >"${ban_blocklist}"
|
|
else
|
|
"${ban_awkcmd}" '/^(([0-9]{1,3}\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]|$)/{printf "%s,\n",$1}' "${ban_blocklist}" >"${tmp_split}"
|
|
fi
|
|
"${ban_awkcmd}" '{ORS=" ";print}' "${tmp_split}" 2>/dev/null >"${tmp_file}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ipv4_addr; flags interval, timeout; auto-merge; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}") }"
|
|
[ -z "${feed_direction##*input*}" ] && printf "%s\n" "add rule inet banIP wan-input ip saddr @${feed} ${log_input} counter drop"
|
|
[ -z "${feed_direction##*forwardwan*}" ] && printf "%s\n" "add rule inet banIP wan-forward ip saddr @${feed} ${log_forwardwan} counter drop"
|
|
[ -z "${feed_direction##*forwardlan*}" ] && printf "%s\n" "add rule inet banIP lan-forward ip daddr @${feed} ${log_forwardlan} counter reject with icmp type admin-prohibited"
|
|
elif [ "${proto}" = "6" ]; then
|
|
if [ "${ban_deduplicate}" = "1" ]; then
|
|
"${ban_awkcmd}" '!/^([0-9A-f]{2}:){5}[0-9A-f]{2}([[:space:]]|$)/{printf "%s\n",$1}' "${ban_blocklist}" |
|
|
"${ban_awkcmd}" '/^(([0-9A-f]{0,4}:){1,7}[0-9A-f]{0,4}:?(\/(1?[0-2][0-8]|[0-9][0-9]))?)([[:space:]]|$)/{printf "%s,\n",tolower($1)}' >"${tmp_raw}"
|
|
"${ban_awkcmd}" 'NR==FNR{member[$0];next}!($0 in member)' "${ban_tmpfile}.deduplicate" "${tmp_raw}" 2>/dev/null >"${tmp_split}"
|
|
"${ban_awkcmd}" 'BEGIN{FS="[ ,]"}NR==FNR{member[$1];next}!($1 in member)' "${ban_tmpfile}.deduplicate" "${ban_blocklist}" 2>/dev/null >"${tmp_raw}"
|
|
cat "${tmp_raw}" 2>/dev/null >"${ban_blocklist}"
|
|
else
|
|
"${ban_awkcmd}" '!/^([0-9A-f]{2}:){5}[0-9A-f]{2}([[:space:]]|$)/{printf "%s\n",$1}' "${ban_blocklist}" |
|
|
"${ban_awkcmd}" '/^(([0-9A-f]{0,4}:){1,7}[0-9A-f]{0,4}:?(\/(1?[0-2][0-8]|[0-9][0-9]))?)([[:space:]]|$)/{printf "%s,\n",tolower($1)}' >"${tmp_split}"
|
|
fi
|
|
"${ban_awkcmd}" '{ORS=" ";print}' "${tmp_split}" 2>/dev/null >"${tmp_file}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ipv6_addr; flags interval, timeout; auto-merge; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}") }"
|
|
[ -z "${feed_direction##*input*}" ] && printf "%s\n" "add rule inet banIP wan-input ip6 saddr @${feed} ${log_input} counter drop"
|
|
[ -z "${feed_direction##*forwardwan*}" ] && printf "%s\n" "add rule inet banIP wan-forward ip6 saddr @${feed} ${log_forwardwan} counter drop"
|
|
[ -z "${feed_direction##*forwardlan*}" ] && printf "%s\n" "add rule inet banIP lan-forward ip6 daddr @${feed} ${log_forwardlan} counter reject with icmpv6 type admin-prohibited"
|
|
fi
|
|
} >"${tmp_nft}"
|
|
feed_rc="${?}"
|
|
# handle external downloads
|
|
#
|
|
elif [ "${restore_rc}" != "0" ] && [ "${feed_url}" != "local" ]; then
|
|
# handle country downloads
|
|
#
|
|
if [ "${feed%v*}" = "country" ]; then
|
|
for country in ${ban_country}; do
|
|
feed_log="$("${ban_fetchcmd}" ${ban_fetchparm} "${tmp_raw}" "${feed_url}${country}-aggregated.zone" 2>&1)"
|
|
feed_rc="${?}"
|
|
[ "${feed_rc}" = "0" ] && cat "${tmp_raw}" 2>/dev/null >>"${tmp_load}"
|
|
done
|
|
rm -f "${tmp_raw}"
|
|
|
|
# handle asn downloads
|
|
#
|
|
elif [ "${feed%v*}" = "asn" ]; then
|
|
for asn in ${ban_asn}; do
|
|
feed_log="$("${ban_fetchcmd}" ${ban_fetchparm} "${tmp_raw}" "${feed_url}AS${asn}" 2>&1)"
|
|
feed_rc="${?}"
|
|
[ "${feed_rc}" = "0" ] && cat "${tmp_raw}" 2>/dev/null >>"${tmp_load}"
|
|
done
|
|
rm -f "${tmp_raw}"
|
|
|
|
# handle compressed downloads
|
|
#
|
|
elif [ -n "${feed_flag}" ]; then
|
|
case "${feed_flag}" in
|
|
"gz")
|
|
feed_log="$("${ban_fetchcmd}" ${ban_fetchparm} "${tmp_raw}" "${feed_url}" 2>&1)"
|
|
feed_rc="${?}"
|
|
if [ "${feed_rc}" = "0" ]; then
|
|
zcat "${tmp_raw}" 2>/dev/null >"${tmp_load}"
|
|
feed_rc="${?}"
|
|
fi
|
|
rm -f "${tmp_raw}"
|
|
;;
|
|
esac
|
|
|
|
# handle normal downloads
|
|
#
|
|
else
|
|
feed_log="$("${ban_fetchcmd}" ${ban_fetchparm} "${tmp_load}" "${feed_url}" 2>&1)"
|
|
feed_rc="${?}"
|
|
fi
|
|
fi
|
|
|
|
# backup/restore
|
|
#
|
|
if [ "${restore_rc}" != "0" ] && [ "${feed_rc}" = "0" ] && [ "${feed_url}" != "local" ] && [ ! -s "${tmp_nft}" ]; then
|
|
f_backup "${feed}" "${tmp_load}"
|
|
feed_rc="${?}"
|
|
elif [ -z "${restore_rc}" ] && [ "${feed_rc}" != "0" ] && [ "${feed_url}" != "local" ] && [ ! -s "${tmp_nft}" ]; then
|
|
f_restore "${feed}" "${feed_url}" "${tmp_load}" "${feed_rc}"
|
|
feed_rc="${?}"
|
|
fi
|
|
|
|
# build nft file with set and rules for regular downloads
|
|
#
|
|
if [ "${feed_rc}" = "0" ] && [ ! -s "${tmp_nft}" ]; then
|
|
# deduplicate sets
|
|
#
|
|
if [ "${ban_deduplicate}" = "1" ] && [ "${feed_url}" != "local" ]; then
|
|
"${ban_awkcmd}" "${feed_rule}" "${tmp_load}" 2>/dev/null >"${tmp_raw}"
|
|
"${ban_awkcmd}" 'NR==FNR{member[$0];next}!($0 in member)' "${ban_tmpfile}.deduplicate" "${tmp_raw}" 2>/dev/null | tee -a "${ban_tmpfile}.deduplicate" >"${tmp_split}"
|
|
else
|
|
"${ban_awkcmd}" "${feed_rule}" "${tmp_load}" 2>/dev/null >"${tmp_split}"
|
|
fi
|
|
feed_rc="${?}"
|
|
# split sets
|
|
#
|
|
if [ "${feed_rc}" = "0" ]; then
|
|
if [ -n "${ban_splitsize//[![:digit]]/}" ] && [ "${ban_splitsize//[![:digit]]/}" -gt "0" ]; then
|
|
if ! "${ban_awkcmd}" "NR%${ban_splitsize//[![:digit]]/}==1{file=\"${tmp_file}.\"++i;}{ORS=\" \";print > file}" "${tmp_split}" 2>/dev/null; then
|
|
rm -f "${tmp_file}".*
|
|
f_log "info" "failed to split ${feed} set to size '${ban_splitsize//[![:digit]]/}'"
|
|
fi
|
|
else
|
|
"${ban_awkcmd}" '{ORS=" ";print}' "${tmp_split}" 2>/dev/null >"${tmp_file}.1"
|
|
fi
|
|
feed_rc="${?}"
|
|
fi
|
|
rm -f "${tmp_raw}" "${tmp_load}"
|
|
if [ "${feed_rc}" = "0" ] && [ "${proto}" = "4" ]; then
|
|
{
|
|
# nft header (IPv4 set)
|
|
#
|
|
printf "%s\n\n" "#!/usr/sbin/nft -f"
|
|
[ -s "${tmp_flush}" ] && cat "${tmp_flush}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ipv4_addr; flags interval; auto-merge; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}.1") }"
|
|
|
|
# input and forward rules
|
|
#
|
|
[ -z "${feed_direction##*input*}" ] && printf "%s\n" "add rule inet banIP wan-input ip saddr @${feed} ${log_input} counter drop"
|
|
[ -z "${feed_direction##*forwardwan*}" ] && printf "%s\n" "add rule inet banIP wan-forward ip saddr @${feed} ${log_forwardwan} counter drop"
|
|
[ -z "${feed_direction##*forwardlan*}" ] && printf "%s\n" "add rule inet banIP lan-forward ip daddr @${feed} ${log_forwardlan} counter reject with icmp type admin-prohibited"
|
|
} >"${tmp_nft}"
|
|
elif [ "${feed_rc}" = "0" ] && [ "${proto}" = "6" ]; then
|
|
{
|
|
# nft header (IPv6 set)
|
|
#
|
|
printf "%s\n\n" "#!/usr/sbin/nft -f"
|
|
[ -s "${tmp_flush}" ] && cat "${tmp_flush}"
|
|
printf "%s\n" "add set inet banIP ${feed} { type ipv6_addr; flags interval; auto-merge; policy ${ban_nftpolicy}; $(f_getelements "${tmp_file}.1") }"
|
|
|
|
# input and forward rules
|
|
#
|
|
[ -z "${feed_direction##*input*}" ] && printf "%s\n" "add rule inet banIP wan-input ip6 saddr @${feed} ${log_input} counter drop"
|
|
[ -z "${feed_direction##*forwardwan*}" ] && printf "%s\n" "add rule inet banIP wan-forward ip6 saddr @${feed} ${log_forwardwan} counter drop"
|
|
[ -z "${feed_direction##*forwardlan*}" ] && printf "%s\n" "add rule inet banIP lan-forward ip6 daddr @${feed} ${log_forwardlan} counter reject with icmpv6 type admin-prohibited"
|
|
} >"${tmp_nft}"
|
|
fi
|
|
fi
|
|
|
|
# load generated nft file in banIP table
|
|
#
|
|
if [ "${feed_rc}" = "0" ]; then
|
|
cnt_dl="$("${ban_awkcmd}" 'END{printf "%d",NR}' "${tmp_split}" 2>/dev/null)"
|
|
if [ "${cnt_dl:-"0"}" -gt "0" ] || [ "${feed_url}" = "local" ] || [ "${feed%v*}" = "allowlist" ] || [ "${feed%v*}" = "blocklist" ]; then
|
|
feed_log="$("${ban_nftcmd}" -f "${tmp_nft}" 2>&1)"
|
|
feed_rc="${?}"
|
|
# load additional split files
|
|
#
|
|
if [ "${feed_rc}" = "0" ]; then
|
|
for split_file in "${tmp_file}".*; do
|
|
[ ! -f "${split_file}" ] && break
|
|
if [ "${split_file##*.}" = "1" ]; then
|
|
rm -f "${split_file}"
|
|
continue
|
|
fi
|
|
if ! "${ban_nftcmd}" add element inet banIP "${feed}" "{ $(cat "${split_file}") }" >/dev/null 2>&1; then
|
|
f_log "info" "failed to add split file '${split_file##*.}' to ${feed} set"
|
|
fi
|
|
rm -f "${split_file}"
|
|
done
|
|
if [ "${ban_debug}" = "1" ] && [ "${ban_reportelements}" = "1" ]; then
|
|
cnt_set="$("${ban_nftcmd}" -j list set inet banIP "${feed}" 2>/dev/null | jsonfilter -qe '@.nftables[*].set.elem[*]' | wc -l 2>/dev/null)"
|
|
fi
|
|
fi
|
|
else
|
|
f_log "info" "empty feed ${feed} will be skipped"
|
|
fi
|
|
fi
|
|
rm -f "${tmp_split}" "${tmp_nft}"
|
|
end_ts="$(date +%s)"
|
|
|
|
f_log "debug" "f_down ::: name: ${feed}, cnt_dl: ${cnt_dl:-"-"}, cnt_set: ${cnt_set:-"-"}, split_size: ${ban_splitsize:-"-"}, time: $((end_ts - start_ts)), rc: ${feed_rc:-"-"}, log: ${feed_log:-"-"}"
|
|
}
|
|
|
|
# backup feeds
|
|
#
|
|
f_backup() {
|
|
local backup_rc feed="${1}" feed_file="${2}"
|
|
|
|
gzip -cf "${feed_file}" >"${ban_backupdir}/banIP.${feed}.gz"
|
|
backup_rc="${?}"
|
|
|
|
f_log "debug" "f_backup ::: name: ${feed}, source: ${feed_file##*/}, target: banIP.${feed}.gz, rc: ${backup_rc}"
|
|
return ${backup_rc}
|
|
}
|
|
|
|
# restore feeds
|
|
#
|
|
f_restore() {
|
|
local tmp_feed restore_rc="1" feed="${1}" feed_url="${2}" feed_file="${3}" feed_rc="${4:-"0"}"
|
|
|
|
[ "${feed_rc}" != "0" ] && restore_rc="${feed_rc}"
|
|
[ "${feed_url}" = "local" ] && tmp_feed="${feed%v*}v4" || tmp_feed="${feed}"
|
|
if [ -f "${ban_backupdir}/banIP.${tmp_feed}.gz" ]; then
|
|
zcat "${ban_backupdir}/banIP.${tmp_feed}.gz" 2>/dev/null >"${feed_file}"
|
|
restore_rc="${?}"
|
|
fi
|
|
|
|
f_log "debug" "f_restore ::: name: ${feed}, source: banIP.${tmp_feed}.gz, target: ${feed_file##*/}, in_rc: ${feed_rc}, rc: ${restore_rc}"
|
|
return ${restore_rc}
|
|
}
|
|
|
|
# remove disabled feeds
|
|
#
|
|
f_rmset() {
|
|
local tmp_del ruleset_raw table_sets handle set del_set feed_log feed_rc
|
|
|
|
tmp_del="${ban_tmpfile}.final.delete"
|
|
ruleset_raw="$("${ban_nftcmd}" -tj list ruleset 2>/dev/null)"
|
|
table_sets="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -qe '@.nftables[@.set.table="banIP"].set.name')"
|
|
{
|
|
printf "%s\n\n" "#!/usr/sbin/nft -f"
|
|
for set in ${table_sets}; do
|
|
if ! printf "%s" "allowlist blocklist ${ban_feed}" | "${ban_grepcmd}" -q "${set%v*}"; then
|
|
del_set="${del_set}${set}, "
|
|
rm -f "${ban_backupdir}/banIP.${set}.gz"
|
|
printf "%s\n" "flush set inet banIP ${set}"
|
|
handle="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"wan-input\"][@.expr[0].match.right=\"@${set}\"].handle")"
|
|
[ -n "${handle}" ] && printf "%s\n" "delete rule inet banIP wan-input handle ${handle}"
|
|
handle="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"wan-forward\"][@.expr[0].match.right=\"@${set}\"].handle")"
|
|
[ -n "${handle}" ] && printf "%s\n" "delete rule inet banIP wan-forward handle ${handle}"
|
|
handle="$(printf "%s\n" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"lan-forward\"][@.expr[0].match.right=\"@${set}\"].handle")"
|
|
[ -n "${handle}" ] && printf "%s\n" "delete rule inet banIP lan-forward handle ${handle}"
|
|
printf "%s\n\n" "delete set inet banIP ${set}"
|
|
fi
|
|
done
|
|
} >"${tmp_del}"
|
|
|
|
if [ -n "${del_set}" ]; then
|
|
del_set="${del_set%%??}"
|
|
feed_log="$("${ban_nftcmd}" -f "${tmp_del}" 2>&1)"
|
|
feed_rc="${?}"
|
|
fi
|
|
rm -f "${tmp_del}"
|
|
|
|
f_log "debug" "f_rmset ::: sets: ${del_set:-"-"}, rc: ${feed_rc:-"-"}, log: ${feed_log:-"-"}"
|
|
}
|
|
|
|
# generate status information
|
|
#
|
|
f_genstatus() {
|
|
local object duration set table_sets cnt_elements="0" split="0" status="${1}"
|
|
|
|
[ -z "${ban_dev}" ] && f_conf
|
|
if [ "${status}" = "active" ]; then
|
|
if [ -n "${ban_starttime}" ]; then
|
|
ban_endtime="$(date "+%s")"
|
|
duration="$(((ban_endtime - ban_starttime) / 60))m $(((ban_endtime - ban_starttime) % 60))s"
|
|
fi
|
|
table_sets="$("${ban_nftcmd}" -tj list ruleset 2>/dev/null | jsonfilter -qe '@.nftables[@.set.table="banIP"].set.name')"
|
|
if [ "${ban_reportelements}" = "1" ]; then
|
|
for set in ${table_sets}; do
|
|
cnt_elements="$((cnt_elements + $("${ban_nftcmd}" -j list set inet banIP "${set}" 2>/dev/null | jsonfilter -qe '@.nftables[*].set.elem[*]' | wc -l 2>/dev/null)))"
|
|
done
|
|
fi
|
|
runtime="action: ${ban_action:-"-"}, duration: ${duration:-"-"}, date: $(date "+%Y-%m-%d %H:%M:%S")"
|
|
fi
|
|
[ ${ban_splitsize:-"0"} -gt "0" ] && split="1"
|
|
|
|
: >"${ban_rtfile}"
|
|
json_init
|
|
json_load_file "${ban_rtfile}" >/dev/null 2>&1
|
|
json_add_string "status" "${status}"
|
|
json_add_string "version" "${ban_ver}"
|
|
json_add_string "element_count" "${cnt_elements}"
|
|
json_add_array "active_feeds"
|
|
if [ "${status}" != "active" ]; then
|
|
json_add_object
|
|
json_add_string "feed" "-"
|
|
json_close_object
|
|
else
|
|
for object in ${table_sets}; do
|
|
json_add_object
|
|
json_add_string "feed" "${object}"
|
|
json_close_object
|
|
done
|
|
fi
|
|
json_close_array
|
|
json_add_array "active_devices"
|
|
if [ "${status}" != "active" ]; then
|
|
json_add_object
|
|
json_add_string "device" "-"
|
|
json_close_object
|
|
else
|
|
for object in ${ban_dev}; do
|
|
json_add_object
|
|
json_add_string "device" "${object}"
|
|
json_close_object
|
|
done
|
|
for object in ${ban_ifv4} ${ban_ifv6}; do
|
|
json_add_object
|
|
json_add_string "interface" "${object}"
|
|
json_close_object
|
|
done
|
|
fi
|
|
json_close_array
|
|
json_add_array "active_subnets"
|
|
if [ "${status}" != "active" ]; then
|
|
json_add_object
|
|
json_add_string "subnet" "-"
|
|
json_close_object
|
|
else
|
|
for object in ${ban_sub}; do
|
|
json_add_object
|
|
json_add_string "subnet" "${object}"
|
|
json_close_object
|
|
done
|
|
fi
|
|
json_close_array
|
|
json_add_string "nft_info" "priority: ${ban_nftpriority}, policy: ${ban_nftpolicy}, loglevel: ${ban_nftloglevel}, expiry: ${ban_nftexpiry:-"-"}"
|
|
json_add_string "run_info" "base: ${ban_basedir}, backup: ${ban_backupdir}, report: ${ban_reportdir}, feed: ${ban_feedfile}"
|
|
json_add_string "run_flags" "auto: $(f_char ${ban_autodetect}), proto (4/6): $(f_char ${ban_protov4})/$(f_char ${ban_protov6}), log (wan-inp/wan-fwd/lan-fwd): $(f_char ${ban_loginput})/$(f_char ${ban_logforwardwan})/$(f_char ${ban_logforwardlan}), dedup: $(f_char ${ban_deduplicate}), split: $(f_char ${split}), allowed only: $(f_char ${ban_allowlistonly})"
|
|
json_add_string "last_run" "${runtime:-"-"}"
|
|
json_add_string "system_info" "cores: ${ban_cores}, memory: ${ban_memory}, device: ${ban_sysver}"
|
|
json_dump >"${ban_rtfile}"
|
|
}
|
|
|
|
# get status information
|
|
#
|
|
f_getstatus() {
|
|
local key keylist type value index_key1 index_key2 index_value1 index_value2
|
|
|
|
[ -z "${ban_dev}" ] && f_conf
|
|
json_load_file "${ban_rtfile}" >/dev/null 2>&1
|
|
if json_get_keys keylist; then
|
|
printf "%s\n" "::: banIP runtime information"
|
|
for key in ${keylist}; do
|
|
json_get_var value "${key}" >/dev/null 2>&1
|
|
if [ "${key}" = "status" ]; then
|
|
value="${value} ($(f_actual))"
|
|
elif [ "${key}" = "active_devices" ]; then
|
|
json_select "${key}" >/dev/null 2>&1
|
|
index=1
|
|
while json_get_type type "${index}" && [ "${type}" = "object" ]; do
|
|
json_get_keys index_key1 "${index}" >/dev/null 2>&1
|
|
json_get_keys index_key2 "$((index + 1))" >/dev/null 2>&1
|
|
json_get_values index_value1 "${index}" >/dev/null 2>&1
|
|
if [ "${index}" = "1" ] && [ "${index_key1// /}" = "device" ] && [ "${index_key2// /}" = "interface" ]; then
|
|
json_get_values index_value2 "$((index + 1))" >/dev/null 2>&1
|
|
value="${index_value1} ::: ${index_value2}"
|
|
index="$((index + 1))"
|
|
elif [ "${index}" = "1" ]; then
|
|
value="${index_value1}"
|
|
elif [ "${index}" != "1" ] && [ "${index_key1// /}" = "device" ] && [ "${index_key2// /}" = "interface" ]; then
|
|
json_get_values index_value2 "$((index + 1))" >/dev/null 2>&1
|
|
value="${value}, ${index_value1} ::: ${index_value2}"
|
|
index="$((index + 1))"
|
|
elif [ "${index}" != "1" ]; then
|
|
value="${value}, ${index_value1}"
|
|
fi
|
|
index="$((index + 1))"
|
|
done
|
|
json_select ".."
|
|
elif [ "${key%_*}" = "active" ]; then
|
|
json_select "${key}" >/dev/null 2>&1
|
|
index=1
|
|
while json_get_type type "${index}" && [ "${type}" = "object" ]; do
|
|
json_get_values index_value1 "${index}" >/dev/null 2>&1
|
|
if [ "${index}" = "1" ]; then
|
|
value="${index_value1}"
|
|
else
|
|
value="${value}, ${index_value1}"
|
|
fi
|
|
index="$((index + 1))"
|
|
done
|
|
json_select ".."
|
|
fi
|
|
printf " + %-17s : %s\n" "${key}" "${value:-"-"}"
|
|
done
|
|
else
|
|
printf "%s\n" "::: no banIP runtime information available"
|
|
fi
|
|
}
|
|
|
|
# domain lookup
|
|
#
|
|
f_lookup() {
|
|
local cnt list domain lookup ip elementsv4 elementsv6 start_time end_time duration cnt_domain="0" cnt_ip="0" feed="${1}"
|
|
|
|
start_time="$(date "+%s")"
|
|
if [ "${feed}" = "allowlist" ]; then
|
|
list="$("${ban_awkcmd}" '/^([[:alnum:]_-]{1,63}\.)+[[:alpha:]]+([[:space:]]|$)/{printf "%s ",tolower($1)}' "${ban_allowlist}" 2>/dev/null)"
|
|
elif [ "${feed}" = "blocklist" ]; then
|
|
list="$("${ban_awkcmd}" '/^([[:alnum:]_-]{1,63}\.)+[[:alpha:]]+([[:space:]]|$)/{printf "%s ",tolower($1)}' "${ban_blocklist}" 2>/dev/null)"
|
|
fi
|
|
|
|
for domain in ${list}; do
|
|
lookup="$("${ban_lookupcmd}" "${domain}" ${ban_resolver} 2>/dev/null | "${ban_awkcmd}" '/^Address[ 0-9]*: /{if(!seen[$NF]++)printf "%s ",$NF}' 2>/dev/null)"
|
|
for ip in ${lookup}; do
|
|
if [ "${ip%%.*}" = "0" ] || [ -z "${ip%%::*}" ]; then
|
|
continue
|
|
else
|
|
if { [ "${feed}" = "allowlist" ] && ! "${ban_grepcmd}" -q "^${ip}" "${ban_allowlist}"; } ||
|
|
{ [ "${feed}" = "blocklist" ] && ! "${ban_grepcmd}" -q "^${ip}" "${ban_blocklist}"; }; then
|
|
if [ "${ip##*:}" = "${ip}" ]; then
|
|
elementsv4="${elementsv4} ${ip},"
|
|
else
|
|
elementsv6="${elementsv6} ${ip},"
|
|
fi
|
|
if [ "${feed}" = "allowlist" ] && [ "${ban_autoallowlist}" = "1" ]; then
|
|
printf "%-42s%s\n" "${ip}" "# '${domain}' added on $(date "+%Y-%m-%d %H:%M:%S")" >>"${ban_allowlist}"
|
|
elif [ "${feed}" = "blocklist" ] && [ "${ban_autoblocklist}" = "1" ]; then
|
|
printf "%-42s%s\n" "${ip}" "# '${domain}' added on $(date "+%Y-%m-%d %H:%M:%S")" >>"${ban_blocklist}"
|
|
fi
|
|
cnt_ip="$((cnt_ip + 1))"
|
|
fi
|
|
fi
|
|
done
|
|
cnt_domain="$((cnt_domain + 1))"
|
|
done
|
|
if [ -n "${elementsv4}" ]; then
|
|
if ! "${ban_nftcmd}" add element inet banIP "${feed}v4" "{ ${elementsv4} }" >/dev/null 2>&1; then
|
|
f_log "info" "failed to add lookup file to ${feed}v4 set"
|
|
fi
|
|
fi
|
|
if [ -n "${elementsv6}" ]; then
|
|
if ! "${ban_nftcmd}" add element inet banIP "${feed}v6" "{ ${elementsv6} }" >/dev/null 2>&1; then
|
|
f_log "info" "failed to add lookup file to ${feed}v6 set"
|
|
fi
|
|
fi
|
|
end_time="$(date "+%s")"
|
|
duration="$(((end_time - start_time) / 60))m $(((end_time - start_time) % 60))s"
|
|
|
|
f_log "info" "Lookup summary for the local ${feed}: Domains processed: ${cnt_domain}, IPs added: ${cnt_ip}, Duration: ${duration}"
|
|
}
|
|
|
|
# table statistics
|
|
#
|
|
f_report() {
|
|
local report_jsn report_txt set tmp_val ruleset_raw table_sets set_cnt set_input set_forwardwan set_forwardlan set_cntinput set_cntforwardwan set_cntforwardlan output="${1}"
|
|
local detail set_details jsnval timestamp autoadd_allow autoadd_block sum_sets sum_setinput sum_setforwardwan sum_setforwardlan sum_setelements sum_cntinput sum_cntforwardwan sum_cntforwardlan
|
|
|
|
[ -z "${ban_dev}" ] && f_conf
|
|
f_mkdir "${ban_reportdir}"
|
|
report_jsn="${ban_reportdir}/ban_report.jsn"
|
|
report_txt="${ban_reportdir}/ban_report.txt"
|
|
|
|
# json output preparation
|
|
#
|
|
ruleset_raw="$("${ban_nftcmd}" -tj list ruleset 2>/dev/null)"
|
|
table_sets="$(printf "%s" "${ruleset_raw}" | jsonfilter -qe '@.nftables[@.set.table="banIP"].set.name')"
|
|
sum_sets="0"
|
|
sum_setinput="0"
|
|
sum_setforwardwan="0"
|
|
sum_setforwardlan="0"
|
|
sum_setelements="0"
|
|
sum_cntinput="0"
|
|
sum_cntforwardwan="0"
|
|
sum_cntforwardlan="0"
|
|
timestamp="$(date "+%Y-%m-%d %H:%M:%S")"
|
|
: >"${report_jsn}"
|
|
{
|
|
printf "%s\n" "{"
|
|
printf "\t%s\n" '"sets": {'
|
|
for set in ${table_sets}; do
|
|
set_cntinput="$(printf "%s" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"wan-input\"][@.expr[0].match.right=\"@${set}\"].expr[*].counter.packets")"
|
|
set_cntforwardwan="$(printf "%s" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"wan-forward\"][@.expr[0].match.right=\"@${set}\"].expr[*].counter.packets")"
|
|
set_cntforwardlan="$(printf "%s" "${ruleset_raw}" | jsonfilter -l1 -qe "@.nftables[@.rule.table=\"banIP\"&&@.rule.chain=\"lan-forward\"][@.expr[0].match.right=\"@${set}\"].expr[*].counter.packets")"
|
|
if [ "${ban_reportelements}" = "1" ]; then
|
|
set_cnt="$("${ban_nftcmd}" -j list set inet banIP "${set}" 2>/dev/null | jsonfilter -qe '@.nftables[*].set.elem[*]' | wc -l 2>/dev/null)"
|
|
sum_setelements="$((sum_setelements + set_cnt))"
|
|
else
|
|
set_cnt=""
|
|
sum_setelements="n/a"
|
|
fi
|
|
if [ -n "${set_cntinput}" ]; then
|
|
set_input="OK"
|
|
sum_setinput="$((sum_setinput + 1))"
|
|
sum_cntinput="$((sum_cntinput + set_cntinput))"
|
|
else
|
|
set_input="-"
|
|
set_cntinput=""
|
|
fi
|
|
if [ -n "${set_cntforwardwan}" ]; then
|
|
set_forwardwan="OK"
|
|
sum_setforwardwan="$((sum_setforwardwan + 1))"
|
|
sum_cntforwardwan="$((sum_cntforwardwan + set_cntforwardwan))"
|
|
else
|
|
set_forwardwan="-"
|
|
set_cntforwardwan=""
|
|
fi
|
|
if [ -n "${set_cntforwardlan}" ]; then
|
|
set_forwardlan="OK"
|
|
sum_setforwardlan="$((sum_setforwardlan + 1))"
|
|
sum_cntforwardlan="$((sum_cntforwardlan + set_cntforwardlan))"
|
|
else
|
|
set_forwardlan="-"
|
|
set_cntforwardlan=""
|
|
fi
|
|
[ "${sum_sets}" -gt "0" ] && printf "%s\n" ","
|
|
printf "\t\t%s\n" "\"${set}\": {"
|
|
printf "\t\t\t%s\n" "\"cnt_elements\": \"${set_cnt}\","
|
|
printf "\t\t\t%s\n" "\"cnt_input\": \"${set_cntinput}\","
|
|
printf "\t\t\t%s\n" "\"input\": \"${set_input}\","
|
|
printf "\t\t\t%s\n" "\"cnt_forwardwan\": \"${set_cntforwardwan}\","
|
|
printf "\t\t\t%s\n" "\"wan_forward\": \"${set_forwardwan}\","
|
|
printf "\t\t\t%s\n" "\"cnt_forwardlan\": \"${set_cntforwardlan}\","
|
|
printf "\t\t\t%s\n" "\"lan_forward\": \"${set_forwardlan}\""
|
|
printf "\t\t%s" "}"
|
|
sum_sets="$((sum_sets + 1))"
|
|
done
|
|
printf "\n\t%s\n" "},"
|
|
printf "\t%s\n" "\"timestamp\": \"${timestamp}\","
|
|
printf "\t%s\n" "\"autoadd_allow\": \"$("${ban_grepcmd}" -c "added on ${timestamp% *}" "${ban_allowlist}")\","
|
|
printf "\t%s\n" "\"autoadd_block\": \"$("${ban_grepcmd}" -c "added on ${timestamp% *}" "${ban_blocklist}")\","
|
|
printf "\t%s\n" "\"sum_sets\": \"${sum_sets}\","
|
|
printf "\t%s\n" "\"sum_setinput\": \"${sum_setinput}\","
|
|
printf "\t%s\n" "\"sum_setforwardwan\": \"${sum_setforwardwan}\","
|
|
printf "\t%s\n" "\"sum_setforwardlan\": \"${sum_setforwardlan}\","
|
|
printf "\t%s\n" "\"sum_setelements\": \"${sum_setelements}\","
|
|
printf "\t%s\n" "\"sum_cntinput\": \"${sum_cntinput}\","
|
|
printf "\t%s\n" "\"sum_cntforwardwan\": \"${sum_cntforwardwan}\","
|
|
printf "\t%s\n" "\"sum_cntforwardlan\": \"${sum_cntforwardlan}\""
|
|
printf "%s\n" "}"
|
|
} >>"${report_jsn}"
|
|
|
|
# text output preparation
|
|
#
|
|
if [ "${output}" != "json" ] && [ -s "${report_jsn}" ]; then
|
|
: >"${report_txt}"
|
|
json_init
|
|
if json_load_file "${report_jsn}" >/dev/null 2>&1; then
|
|
json_get_var timestamp "timestamp" >/dev/null 2>&1
|
|
json_get_var autoadd_allow "autoadd_allow" >/dev/null 2>&1
|
|
json_get_var autoadd_block "autoadd_block" >/dev/null 2>&1
|
|
json_get_var sum_sets "sum_sets" >/dev/null 2>&1
|
|
json_get_var sum_setinput "sum_setinput" >/dev/null 2>&1
|
|
json_get_var sum_setforwardwan "sum_setforwardwan" >/dev/null 2>&1
|
|
json_get_var sum_setforwardlan "sum_setforwardlan" >/dev/null 2>&1
|
|
json_get_var sum_setelements "sum_setelements" >/dev/null 2>&1
|
|
json_get_var sum_cntinput "sum_cntinput" >/dev/null 2>&1
|
|
json_get_var sum_cntforwardwan "sum_cntforwardwan" >/dev/null 2>&1
|
|
json_get_var sum_cntforwardlan "sum_cntforwardlan" >/dev/null 2>&1
|
|
{
|
|
printf "%s\n%s\n%s\n" ":::" "::: banIP Set Statistics" ":::"
|
|
printf "%s\n" " Timestamp: ${timestamp}"
|
|
printf "%s\n" " ------------------------------"
|
|
printf "%s\n" " auto-added to allowlist today: ${autoadd_allow}"
|
|
printf "%s\n\n" " auto-added to blocklist today: ${autoadd_block}"
|
|
json_select "sets" >/dev/null 2>&1
|
|
json_get_keys table_sets >/dev/null 2>&1
|
|
if [ -n "${table_sets}" ]; then
|
|
printf "%-25s%-15s%-24s%-24s%s\n" " Set" "| Elements" "| WAN-Input (packets)" "| WAN-Forward (packets)" "| LAN-Forward (packets)"
|
|
printf "%s\n" " ---------------------+--------------+-----------------------+-----------------------+------------------------"
|
|
for set in ${table_sets}; do
|
|
printf " %-21s" "${set}"
|
|
json_select "${set}"
|
|
json_get_keys set_details
|
|
for detail in ${set_details}; do
|
|
json_get_var jsnval "${detail}" >/dev/null 2>&1
|
|
case "${detail}" in
|
|
"cnt_elements")
|
|
printf "%-15s" "| ${jsnval}"
|
|
;;
|
|
"cnt_input" | "cnt_forwardwan" | "cnt_forwardlan")
|
|
[ -n "${jsnval}" ] && tmp_val=": ${jsnval}"
|
|
;;
|
|
*)
|
|
printf "%-24s" "| ${jsnval}${tmp_val}"
|
|
tmp_val=""
|
|
;;
|
|
esac
|
|
done
|
|
printf "\n"
|
|
json_select ".."
|
|
done
|
|
printf "%s\n" " ---------------------+--------------+-----------------------+-----------------------+------------------------"
|
|
printf "%-25s%-15s%-24s%-24s%s\n" " ${sum_sets}" "| ${sum_setelements}" "| ${sum_setinput} (${sum_cntinput})" "| ${sum_setforwardwan} (${sum_cntforwardwan})" "| ${sum_setforwardlan} (${sum_cntforwardlan})"
|
|
fi
|
|
} >>"${report_txt}"
|
|
fi
|
|
fi
|
|
|
|
# output channel (text|json|mail)
|
|
#
|
|
case "${output}" in
|
|
"text")
|
|
[ -s "${report_txt}" ] && cat "${report_txt}"
|
|
;;
|
|
"json")
|
|
[ -s "${report_jsn}" ] && cat "${report_jsn}"
|
|
;;
|
|
"mail")
|
|
[ -n "${ban_mailreceiver}" ] && [ -x "${ban_mailcmd}" ] && f_mail
|
|
;;
|
|
esac
|
|
rm -f "${report_txt}"
|
|
}
|
|
|
|
# set search
|
|
#
|
|
f_search() {
|
|
local set table_sets ip proto run_search hold cnt search="${1}"
|
|
|
|
if [ -n "${search}" ]; then
|
|
ip="$(printf "%s" "${search}" | "${ban_awkcmd}" 'BEGIN{RS="(([0-9]{1,3}\\.){3}[0-9]{1,3})+"}{printf "%s",RT}')"
|
|
[ -n "${ip}" ] && proto="v4"
|
|
if [ -z "${proto}" ]; then
|
|
ip="$(printf "%s" "${search}" | "${ban_awkcmd}" 'BEGIN{RS="([A-Fa-f0-9]{1,4}::?){3,7}[A-Fa-f0-9]{1,4}"}{printf "%s",RT}')"
|
|
[ -n "${ip}" ] && proto="v6"
|
|
fi
|
|
fi
|
|
if [ -n "${proto}" ]; then
|
|
table_sets="$("${ban_nftcmd}" -tj list ruleset 2>/dev/null | jsonfilter -qe "@.nftables[@.set.table=\"banIP\"&&@.set.type=\"ip${proto}_addr\"].set.name")"
|
|
else
|
|
printf "%s\n%s\n%s\n" ":::" "::: no valid search input" ":::"
|
|
return
|
|
fi
|
|
printf "%s\n%s\n%s\n" ":::" "::: banIP Search" ":::"
|
|
printf " %s\n" "Looking for IP '${ip}' on $(date "+%Y-%m-%d %H:%M:%S")"
|
|
printf " %s\n" "---"
|
|
cnt="1"
|
|
run_search="/var/run/banIP.search"
|
|
for set in ${table_sets}; do
|
|
[ -f "${run_search}" ] && break
|
|
(
|
|
if "${ban_nftcmd}" get element inet banIP "${set}" "{ ${ip} }" >/dev/null 2>&1; then
|
|
printf " %s\n" "IP found in Set '${set}'"
|
|
: >"${run_search}"
|
|
fi
|
|
) &
|
|
hold="$((cnt % ban_cores))"
|
|
[ "${hold}" = "0" ] && wait
|
|
cnt="$((cnt + 1))"
|
|
done
|
|
wait
|
|
[ ! -f "${run_search}" ] && printf " %s\n" "IP not found"
|
|
rm -f "${run_search}"
|
|
}
|
|
|
|
# set survey
|
|
#
|
|
f_survey() {
|
|
local set_elements set="${1}"
|
|
|
|
if [ -z "${set}" ]; then
|
|
printf "%s\n%s\n%s\n" ":::" "::: no valid survey input" ":::"
|
|
return
|
|
fi
|
|
[ -n "${set}" ] && set_elements="$("${ban_nftcmd}" -j list set inet banIP "${set}" 2>/dev/null | jsonfilter -qe '@.nftables[*].set.elem[*]')"
|
|
printf "%s\n%s\n%s\n" ":::" "::: banIP Survey" ":::"
|
|
printf " %s\n" "List the elements of Set '${set}' on $(date "+%Y-%m-%d %H:%M:%S")"
|
|
printf " %s\n" "---"
|
|
[ -n "${set_elements}" ] && printf "%s\n" "${set_elements}" || printf " %s\n" "empty set"
|
|
}
|
|
|
|
# send status mails
|
|
#
|
|
f_mail() {
|
|
local msmtp_debug
|
|
|
|
# load mail template
|
|
#
|
|
if [ -r "${ban_mailtemplate}" ]; then
|
|
. "${ban_mailtemplate}"
|
|
else
|
|
f_log "info" "the mail template is missing"
|
|
fi
|
|
[ -z "${mail_text}" ] && f_log "info" "the 'mail_text' template variable is empty"
|
|
[ "${ban_debug}" = "1" ] && msmtp_debug="--debug"
|
|
|
|
# send mail
|
|
#
|
|
ban_mailhead="From: ${ban_mailsender}\nTo: ${ban_mailreceiver}\nSubject: ${ban_mailtopic}\nReply-to: ${ban_mailsender}\nMime-Version: 1.0\nContent-Type: text/html;charset=utf-8\nContent-Disposition: inline\n\n"
|
|
if printf "%b" "${ban_mailhead}${mail_text}" | "${ban_mailcmd}" --timeout=10 ${msmtp_debug} -a "${ban_mailprofile}" "${ban_mailreceiver}" >/dev/null 2>&1; then
|
|
f_log "info" "status mail was sent successfully"
|
|
else
|
|
f_log "info" "failed to send status mail (${?})"
|
|
fi
|
|
|
|
f_log "debug" "f_mail ::: notification: ${ban_mailnotification}, template: ${ban_mailtemplate}, profile: ${ban_mailprofile}, receiver: ${ban_mailreceiver}, rc: ${?}"
|
|
}
|
|
|
|
# check banIP availability and initial sourcing
|
|
#
|
|
f_system
|
|
if [ "${ban_action}" != "stop" ]; then
|
|
if [ -r "/lib/functions.sh" ] && [ -r "/lib/functions/network.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ]; then
|
|
. "/lib/functions.sh"
|
|
. "/lib/functions/network.sh"
|
|
. "/usr/share/libubox/jshn.sh"
|
|
else
|
|
f_log "err" "system libraries not found"
|
|
fi
|
|
[ ! -d "/etc/banip" ] && f_log "err" "banIP config directory not found, please re-install the package"
|
|
[ ! -r "/etc/banip/banip.feeds" ] && f_log "err" "banIP feed file not found, please re-install the package"
|
|
[ ! -r "/etc/config/banip" ] && f_log "err" "banIP config not found, please re-install the package"
|
|
[ "$(uci_get banip global ban_enabled)" = "0" ] && f_log "err" "banIP is currently disabled, please set the config option 'ban_enabled' to '1' to use this service"
|
|
fi
|